2-NONYN-1-AL DIMETHYLACETAL is graded A (Safe) by Expert·ING, based on COSING regulatory data.

2-NONYN-1-AL DIMETHYLACETAL

Safety grade: A

This is a synthetic fragrance ingredient used to create or enhance scents in cosmetic products. It has a fresh, slightly waxy, and floral aroma that contributes to a product's overall fragrance profile.

It is used in cosmetic formulations solely to add or enhance a pleasant scent, making products more appealing to use.

Graded using: COSING.

Last verified: May 26, 2026